The asterisk symbol has two primary uses in URLs for content filtering. Standalone Catch-All Wildcard The " * " (asterisk) symbol when used on its own line is an all-inclusive wildcard which represents all possible entries When used on its own line in allow listed URL patterns, ALL URL patterns are allow listed When used on its own line in blocked URL patterns, ALL URL patterns are blocked, except those that are explicitly allow listed In-URL Asterisk Character The " * " (asterisk) symbol when used as part of a URL or in line with a URL is simply a regular asterisk symbol and is interpreted as part of the URL, NOT as a wildcard Note that this is very rarely useful, except in URLs that actually require asterisk symbols, such as https://web.archive.org/web/*/meraki.com ... View more